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10042012223220 = 2235534243744253
BaseRepresentation
bin1001001000100001011010…
…0100100100011011110100
31022120000012002122022122210
42102020112210210123310
52304012020112120340
633205123044453420
72054340265346145
oct222102644443364
938500162568583
1010042012223220
11322188011815a
1211622616aa270
1357ac5b0748c3
1426a070a57acc
15126338404180
hex922169246f4

10042012223220 has 96 divisors (see below), whose sum is σ = 28654945990272. Its totient is φ = 2626721330688.

The previous prime is 10042012223179. The next prime is 10042012223227. The reversal of 10042012223220 is 2232221024001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10042012223227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13120614 + ... + 13864866.

It is an arithmetic number, because the mean of its divisors is an integer number (298489020732).

Almost surely, 210042012223220 is an apocalyptic number.

10042012223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10042012223220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14327472995136).

10042012223220 is an abundant number, since it is smaller than the sum of its proper divisors (18612933767052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10042012223220 is a wasteful number, since it uses less digits than its factorization.

10042012223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748561 (or 748559 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10042012223220 its reverse (2232221024001), we get a palindrome (12274233247221).

The spelling of 10042012223220 in words is "ten trillion, forty-two billion, twelve million, two hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 53 60 106 159 212 265 318 530 636 795 1060 1590 3180 4243 8486 12729 16972 21215 25458 42430 50916 63645 84860 127290 224879 254580 449758 674637 744253 899516 1124395 1349274 1488506 2232759 2248790 2698548 2977012 3373185 3721265 4465518 4497580 6746370 7442530 8931036 11163795 13492740 14885060 22327590 39445409 44655180 78890818 118336227 157781636 197227045 236672454 394454090 473344908 591681135 788908180 1183362270 2366724540 3157865479 6315730958 9473596437 12631461916 15789327395 18947192874 31578654790 37894385748 47367982185 63157309580 94735964370 167366870387 189471928740 334733740774 502100611161 669467481548 836834351935 1004201222322 1673668703870 2008402444644 2510503055805 3347337407740 5021006111610 10042012223220